package xyz.kongbai.shopseckill.scheduled;

import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import xyz.kongbai.shopseckill.service.SeckillService;

import java.util.concurrent.TimeUnit;


/**
 * 秒杀商品定时上架
 * 每晚3点;上架最近三天需要秒杀的商品
 */
@Slf4j
@Service
public class SeckillSkuScheduled {

    @Autowired
    SeckillService seckillService;

    @Autowired
    RedissonClient redissonClient;

    private final String upload_lock = "seckill:upload:lock";

    @Scheduled(cron = "0 * * * * ?")
    public void uploadSeckillSkuLatest3Days(){
        //重复上架无需处理
        log.info("商品上架信息");
        RLock lock = redissonClient.getLock(upload_lock);
        lock.lock(10, TimeUnit.SECONDS);
        try {
            seckillService.uploadSeckillSkuLatest3Days();
        } finally {
            lock.unlock();
        }
    }
}
